I found these riddles , can anyone help me figure it out?

[Amanaduial the archer]

A warrior amongst the flowers, he bears a thrusting sword.
He uses his life to defend his golden hoard.
What is he?

i think thats a bee.

We capture light, and yet we don't.
We reflect rays of sun, and yet we don't.
Without us all the world is gray and dull.
What are we?

i think thats colour.

Until I am mesured,
I am not known.
Yet how you miss me,
When I have flown.
What am I?

i think that may be life.